VULNERABILITY INTELLIGENCE
CVE-2021-34596
CVSS score6.5 MEDIUM
EPSS probability0.83%
CISA KEVNot currently listed
Published2021-10-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Description
A crafted request may cause a read access to an uninitialized pointer in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition.
Weakness classification
- info@cert.vde.com: CWE-824
Primary references
- info@cert.vde.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory